How many api reference standards do you supply?

We currently list 583 api reference standards, such as Digoxin, Doxepin, Estriol. We can also source or custom-synthesise items that are not listed.

Do api reference standards come with a COA and SDS?

Yes. Each lot is supplied with a batch Certificate of Analysis and a 16-section GHS Safety Data Sheet. Typical COAs can be shared before you order.

Can you export api reference standards to my country?

Yes. We ship worldwide by sea freight, air cargo and express courier, with export documentation, and pack hazardous materials to IATA/IMDG dangerous-goods rules.

Impurities & Reference Standards

API Reference Standards

583 api reference standards with CAS numbers, structures and specifications — batch COA and GHS SDS supplied.

3,436products

377in stock

COA + SDSwith every lot

Reference Standard

Carboplatin

CAS: 41575-94-4
Formula: C₆H₁₂N₂O₄Pt
MW: 371.25 g/mol

VQ-024780

Reference Standard

Carboprost

CAS: 35700-23-3
Formula: C₂₁H₃₆O₅
MW: 368.5 g/mol

VQ-044200

Reference Standard

Carboprost Tromethamine

CAS: 58551-69-2
Formula: C₂₅H₄₇NO₈
MW: 489.6 g/mol

VQ-022010

Reference Standard

Carbosulfan

CAS: 55285-14-8
Formula: C₂₀H₃₂N₂O₃S
MW: 380.5 g/mol

VQ-032350

Reference Standard

Carbovir

CAS: 120443-30-3
Formula: C₁₁H₁₃N₅O₂
MW: 247.25 g/mol

VQ-043918

Reference Standard

Carboxy primaquine

CAS: 77229-68-6
Formula: C₁₅H₁₈N₂O₃
MW: 274.31 g/mol

VQ-041666

Reference Standard

Carbutamide

CAS: 339-43-5
Formula: C₁₁H₁₇N₃O₃S
MW: 271.34 g/mol

VQ-036157

Reference Standard

Carbuterol

CAS: 34866-47-2
Formula: C₁₃H₂₁N₃O₃
MW: 267.32 g/mol

VQ-043492

Reference Standard

Carcinine Dihydrochloride

CAS: 57022-38-5
Formula: C₈H₁₆Cl₂N₄O
MW: 255.14 g/mol

VQ-040412

Reference Standard

Carebastine

CAS: 90729-42-3
Formula: C₃₂H₃₇NO₄
MW: 499.6 g/mol

VQ-025458

Reference Standard

Carfilzomib maleate

CAS: 1960444-12-5
Formula: C₄₄H₆₁N₅O₁₁
MW: 835.98 g/mol

VQ-036160

Reference Standard

Carfilzomib WS

CAS: 868540-17-4
Formula: C₄₀H₅₇N₅O₇
MW: 719.9 g/mol

In stock

Reference Standard

Carglumic Acid

CAS: 1188-38-1
Formula: C₆H₁₀N₂O₅
MW: 190.15 g/mol

VQ-022015

Reference Standard

Caricaxanthin

CAS: 472-70-8
Formula: C₄₀H₅₆O
MW: 552.9 g/mol

VQ-027271

Reference Standard

Cariprazine

CAS: 839712-12-8
Formula: C₂₁H₃₂Cl₂N₄O
MW: 427.4 g/mol

VQ-007376

Reference Standard

Cariprazine Dihydrochloride

CAS: 1082644-13-0
Formula: C₂₁H₃₂Cl₂N₄O : 2(HCl)

VQ-045237

Reference Standard

Cariprazine Hydrochloride

CAS: 1083076-69-0
Formula: C₂₁H₃₃Cl₃N₄O
MW: 463.9 g/mol

In stock

Reference Standard

Carmustine

CAS: 154-93-8
Formula: C₅H₉Cl₂N₃O₂
MW: 214.05 g/mol

VQ-022024

Reference Standard

Carnosol

CAS: 5957-80-2
Formula: C₂₀H₂₆O₄
MW: 330.4 g/mol

VQ-039610

Reference Standard

Caroverine

CAS: 23465-76-1
Formula: C₂₂H₂₇N₃O₂
MW: 365.5 g/mol

VQ-047700

Reference Standard

Carpaine

CAS: 3463-92-1
Formula: C₂₈H₅₀N₂O₄
MW: 478.7 g/mol

VQ-040036

Reference Standard

Carphedone

CAS: 77472-70-9
Formula: C₁₂H₁₄N₂O₂
MW: 218.25 g/mol

VQ-036170

Reference Standard

Carprofen

CAS: 53716-49-7
Formula: C₁₅H₁₂ClNO₂
MW: 273.71 g/mol

VQ-022026

Reference Standard

Carteolol

CAS: 51781-06-7
Formula: C₁₆H₂₄N₂O₃
MW: 292.37 g/mol

VQ-047701

Need a price, a spec or a custom compound?

Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.

Request a quote Contact sales

Laboratory Chemicals & Reagents View all

Solvents View all

Life Science & Biochemicals View all

APIs & Bulk Drugs View all

Impurities & Reference Standards View all

Pharma Intermediates & Building Blocks View all

Inorganic Chemicals, Metals & Advanced Materials View all

Industrial & Specialty Chemicals View all

API Reference Standards

Need a price, a spec or a custom compound?